<template>
  <div>
    <!--面包屑导航区域-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图-->
    <el-card>
      <!--搜索与添加-->
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <!--用户列表区域-->
      <el-table :data="userlist" border stripe>

        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!--修改-->
            <el-tooltip effect="dark" content="修改" placement="top" :enterable="false">
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEidtDialog(scope.row.id)"></el-button>
            </el-tooltip>
            <!--删除-->
            <el-tooltip effect="dark" content="删除" placement="top" :enterable="false">
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            </el-tooltip>
            <!--分配角色-->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--分页-->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
    <!--添加用户对话框-->
    <el-dialog title="添加用户" :visible.sync="dialogVisible" width="50%" @close="addDialogClosed">
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
      <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email" ></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile" ></el-input>
        </el-form-item>
      </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    data() {
      //验证邮箱的规则
      var checkEmail = (rule, value, cb) => {
        const regEmail = /^\w+@\w+(\.\w+)+$/
        if (regEmail.test(value)) {
          return cb()
        }
        //返回一个错误提示
        cb(new Error('请输入合法的邮箱'))
      }
      //验证手机号码的规则
      var checkMobile = (rule, value, cb) => {
        const regMobile = /^1[34578]\d{9}$/
        if (regMobile.test(value)) {
          return cb()
        }
        //返回一个错误提示
        cb(new Error('请输入合法的手机号码'))
      }
      return {
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 2
        },
        userlist: [],
        total: 0,
        dialogVisible: false,
        //添加用户的表单区域
        editDialogVisible: false,
        addForm: {},
        //添加表单的验证规则
        addFormRules: {
          username: [{
              required: true,
              message: "请输入用户名",
              trigger: 'blur'
            },
            {
              min: 3,
              max: 10,
              message: "用户名在3到10个字符之间",
              trigger: "blur"
            }
          ],
          password: [{
              required: true,
              message: "请输入密码",
              trigger: 'blur'
            },
            {
              min: 6,
              max: 20,
              message: "用户名在6到20个字符之间",
              trigger: "blur"
            }
          ],
          email: [{
              required: true,
              message: "请输入邮箱",
              trigger: 'blur'
            },
            {
              validator: checkEmail,
              trigger: "blur"
            }
          ],
          mobile: [{
              required: true,
              message: "请输入手机号",
              trigger: 'blur'
            },
            {
              validator: checkMobile,
              trigger: "blur"
            }
          ]
        },
        //查询到的用户信息
        editForm: {},
        //表单验证规则对象
          editFormRules: {
            email: [{
                required: true,
                message: "请输入邮箱",
                trigger: 'blur'
              },
              {
                validator: checkEmail,
                trigger: "blur"
              }
            ],
            mobile: [{
                required: true,
                message: "请输入手机号",
                trigger: 'blur'
              },
              {
                validator: checkMobile,
                trigger: "blur"
              }
            ]
          }
      }

    },
    created() {
      this.getUserList()
    },
    methods: {
      async getUserList() {
        const {
          data: res
        } = await this.$http.get('users', {
          params: this.queryInfo
        })
        if (res.meta.status !== 200) {
          return this.$message.error('获取用户列表失败!')
        }
        this.userlist = res.data.users
        this.total = res.data.total
        console.log(res)
      },
      //监听pagesize改变的事件
      handleSizeChange(newSize) {
        //console.log(newSize)
        this.queryInfo.pagesize = newSize
        this.getUserList()

      },
      //监听页码值改变的事件
      handleCurrentChange(newPage) {
        //console.log(newPage)
        this.queryInfo.pagenum = newPage
        this.getUserList()
      },
      //监听switch开关状态
      async userStateChange(userinfo) {
        const {
          data: res
        } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        if (res.meta.status !== 200) {
          userinfo.mg_state = !userinfo.mg_state
          return this.$message.error('更新用户状态失败!')
        }
        this.$message.success('更新用户状态成功!')
      },
      //当关闭对话框时，重置表单
      addDialogClosed() {
        //对话框关闭之后，重置表达
        this.$refs.addFormRef.resetFields();
      },
      addUser() {
        //点击确定按钮，添加新用户
        //调用validate进行表单验证
        this.$refs.addFormRef.validate(async valid => {
          if (!valid) return this.$message.error("请填写完整用户信息");
          //发送请求完成添加用户的操作
          const {
            data: res
          } = await this.$http.post("users", this.addForm)
          //判断如果添加失败，就做提示
          if (res.meta.status !== 201)
            return this.$message.error('添加用户失败')
          //添加成功的提示
          this.$message.success("添加用户成功")
          //关闭对话框
          this.dialogVisible = false
          //重新请求最新的数据
          this.getUserList()
        })
      },
      //展示用户编辑的对话框
      async showEidtDialog(id) {
        const {
          data: res
        } = await this.$http.get('users/' + id)
        if (res.meta.status !== 200) {
          return this.$message.error("查询用户失败")
        }
        this.editForm = res.data
        this.editDialogVisible = true
      },
      //修改对话框关闭
      editDialogClose() {
         this.$refs.editFormRef.resetFields();
      },
      //修改用户提交并验证
      editUserInfo(){
        //点击确定按钮，添加新用户
        //调用validate进行表单验证
        this.$refs.editFormRef.validate(async valid => {
          if (!valid) return this.$message.error("请填写完整用户信息");
          //发送请求完成修改用户的操作
          const {
            data: res
          } = await this.$http.put("users/" + this.editForm.id,{
            email: this.editForm.email,
            mobile: this.editForm.mobile
          })
          //判断如果修改失败，就做提示
          if (res.meta.status !== 200)
            return this.$message.error('修改用户失败')
          //修改成功的提示
          this.$message.success("修改用户成功")
          //关闭对话框
          this.editDialogVisible = false
          //重新请求最新的数据
          this.getUserList()
        })
      },
      //删除用户
      async removeUserById(id) {
        //询问用户是否删除
        const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                  confirmButtonText: '确定',
                  cancelButtonText: '取消',
                  type: 'warning'
                }).catch(err=> err)
                //如果点击确认，那confirmResult等于confirm。如果点击取消，就不等于confirm
               if( confirmResult !== 'confirm') {
                return this.$message.info("已取消删除")
               }

               const { data: res} = await this.$http.delete("users/" + id);
               if( res.meta.status !== 200 ) {return this.$message.error("删除用户失败")};
               this.$message.success("删除用户成功")
               this.getUserList();
      }
    }
  }
</script>

<style>
</style>
